Question

prove that tanx70°=tan20°+2tan70°

Answer 1

Answer:

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Step-by-step explanation:Hannah

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Answer 2

hi buddy

here is ur answer

tan (90 -70) ,= tan (90-20) + 2tan(90-70)

tan 30 = 70+2*30

tan 30 = 72*30

tan 30 = 2160

tan = 30 /2160

tan=72 ans....

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